.mvsc-form-shell {
    --mvsc-green: #4fb847;
    --mvsc-dark: #201e1e;
    --mvsc-border: #d7d7d7;
    color: var(--mvsc-dark);
    font-family: "Roboto Slab", Georgia, serif;
    margin-inline: auto;
    max-width: 1120px;
}

.mvsc-title { margin: 0 0 24px; text-align: center; }
.mvsc-form { display: grid; gap: 22px; }
.mvsc-fieldset { border: 0; margin: 0; min-width: 0; padding: 0; }
.mvsc-fieldset > legend,
.mvsc-field > span { display: block; font-size: 19px; font-weight: 500; margin-bottom: 10px; }
.mvsc-volume-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mvsc-volume-card { cursor: pointer; display: grid; gap: 6px; text-align: center; }
.mvsc-volume-card input { opacity: 0; pointer-events: none; position: absolute; }
.mvsc-volume-visual {
    align-items: center;
    aspect-ratio: 16 / 9;
    background: linear-gradient(145deg, #f8f8f8, #e6e6e6);
    border: 3px solid transparent;
    border-radius: 6px;
    display: flex;
    font-size: clamp(25px, 5vw, 46px);
    justify-content: center;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.mvsc-volume-card input:checked + .mvsc-volume-visual { border-color: var(--mvsc-green); box-shadow: 0 0 0 2px rgb(79 184 71 / 15%); }
.mvsc-volume-card input:focus-visible + .mvsc-volume-visual { outline: 3px solid #165fcc; outline-offset: 3px; }
.mvsc-volume-image { display: block; height: 100%; object-fit: contain; width: 100%; }
.mvsc-calculator-grid,
.mvsc-contact-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mvsc-field-wide { grid-column: 1 / -1; }
.mvsc-field input:not([type="file"]),
.mvsc-field select,
.mvsc-field textarea {
    background: #fff;
    border: 1px solid #6d6a6a;
    border-radius: 5px;
    box-sizing: border-box;
    color: #131212;
    font: inherit;
    padding: 13px 16px;
    width: 100%;
}
.mvsc-field input:focus-visible,
.mvsc-field select:focus-visible,
.mvsc-field textarea:focus-visible { border-color: #165fcc; outline: 2px solid #165fcc; outline-offset: 1px; }
.mvsc-loading { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.mvsc-loading legend { flex-basis: 100%; }
.mvsc-loading label { align-items: center; display: inline-flex; gap: 8px; }
.mvsc-total { color: #131212; font-size: 20px; font-weight: 500; }
.mvsc-total output { color: var(--mvsc-green); font-size: 22px; font-weight: 700; }
.mvsc-photo-field input { display: block; margin-block: 8px; max-width: 100%; }
.mvsc-field small { color: #595959; font-family: system-ui, sans-serif; font-size: 13px; }
.mvsc-consent { align-items: flex-start; display: flex; font-family: system-ui, sans-serif; font-size: 14px; gap: 9px; }
.mvsc-consent input { margin-top: 3px; }
.mvsc-submit {
    background: var(--mvsc-green);
    border: 0;
    border-radius: 5px;
    color: #fff;
    cursor: pointer;
    font: 500 17px "Roboto Slab", Georgia, serif;
    justify-self: start;
    min-height: 48px;
    padding: 12px 28px;
}
.mvsc-submit:hover { filter: brightness(.93); }
.mvsc-submit:focus-visible { outline: 3px solid #165fcc; outline-offset: 3px; }
.mvsc-submit:disabled { cursor: not-allowed; opacity: .6; }
.mvsc-message { background: #edf8ec; border-left: 4px solid var(--mvsc-green); padding: 12px 16px; }
.mvsc-message.is-error { background: #fff0f0; border-color: #b42318; color: #8a1c14; }
.mvsc-notice { background: #fff8df; border-left: 4px solid #c78f00; padding: 10px 14px; }
.mvsc-honeypot { height: 1px; left: -10000px; overflow: hidden; position: absolute; top: auto; width: 1px; }

@media (max-width: 767px) {
    .mvsc-volume-grid { gap: 8px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .mvsc-volume-card > strong { font-size: 15px; }
    .mvsc-volume-card > small { font-size: 11px; }
    .mvsc-calculator-grid,
    .mvsc-contact-grid { grid-template-columns: 1fr; }
    .mvsc-field-wide { grid-column: auto; }
    .mvsc-submit { justify-self: stretch; }
}

@media (prefers-reduced-motion: reduce) {
    .mvsc-volume-visual { transition: none; }
}